%0 Journal Article %A R. R. Rayanova %T On a boundary value problem for a system of hyperbolic equations with the wave operator and a singular coefficient of lower derivatives %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2013 %P 144-149 %V 130 %N 1 %U http://geodesic.mathdoc.fr/item/VSGTU_2013_130_1_a12/ %G ru %F VSGTU_2013_130_1_a12